cppcheck/lib/library.cpp

114 lines
4.3 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2013 Daniel Marjamäki and Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "library.h"
#include "tinyxml2.h"
Library::Library() : allocid(0)
{
while (!ismemory(++allocid));
_alloc["malloc"] = allocid;
_alloc["calloc"] = allocid;
_alloc["strdup"] = allocid;
_alloc["strndup"] = allocid;
_dealloc["free"] = allocid;
while (!isresource(++allocid));
_alloc["fopen"] = allocid;
_dealloc["fclose"] = allocid;
}
Library::Library(const Library &lib) :
use(lib.use),
ignore(lib.ignore),
functionArgument(lib.functionArgument),
returnuninitdata(lib.returnuninitdata),
allocid(lib.allocid),
_alloc(lib._alloc),
_dealloc(lib._dealloc),
_noreturn(lib._noreturn)
{
}
Library::~Library() { }
bool Library::load(const char path[])
{
tinyxml2::XMLDocument doc;
const tinyxml2::XMLError error = doc.LoadFile(path);
if (error != tinyxml2::XML_NO_ERROR)
return false;
const tinyxml2::XMLElement * const rootnode = doc.FirstChildElement();
if (strcmp(rootnode->Name(),"def") != 0)
return false;
for (const tinyxml2::XMLElement *node = rootnode->FirstChildElement(); node; node = node->NextSiblingElement()) {
if (strcmp(node->Name(),"memory")==0) {
while (!ismemory(++allocid));
for (const tinyxml2::XMLElement *memorynode = node->FirstChildElement(); memorynode; memorynode = memorynode->NextSiblingElement()) {
if (strcmp(memorynode->Name(),"alloc")==0) {
_alloc[memorynode->GetText()] = allocid;
const char *init = memorynode->Attribute("init");
if (init && strcmp(init,"false")==0) {
returnuninitdata.insert(memorynode->GetText());
}
} else if (strcmp(memorynode->Name(),"dealloc")==0)
_dealloc[memorynode->GetText()] = allocid;
else if (strcmp(memorynode->Name(),"use")==0)
use.insert(memorynode->GetText());
else
return false;
}
}
else if (strcmp(node->Name(),"ignore")==0)
ignore.insert(node->GetText());
else if (strcmp(node->Name(),"function")==0) {
const char *name = node->Attribute("name");
if (name == NULL)
return false;
for (const tinyxml2::XMLElement *functionnode = node->FirstChildElement(); functionnode; functionnode = functionnode->NextSiblingElement()) {
if (strcmp(functionnode->Name(),"noreturn")==0)
_noreturn[name] = (strcmp(functionnode->GetText(), "true") == 0);
else if (strcmp(functionnode->Name(),"arg")==0 && functionnode->Attribute("nr") != NULL) {
const int nr = atoi(functionnode->Attribute("nr"));
bool notnull = false;
bool notuninit = false;
for (const tinyxml2::XMLElement *argnode = functionnode->FirstChildElement(); argnode; argnode = argnode->NextSiblingElement()) {
if (strcmp(argnode->Name(), "not-null") == 0)
notnull = true;
else if (strcmp(argnode->Name(), "not-uninit") == 0)
notuninit = true;
else
return false;
}
functionArgument[name][nr].notnull = notnull;
functionArgument[name][nr].notuninit = notuninit;
} else
return false;
}
} else
return false;
}
return true;
}